Hey there, i found that for LR Mode to work in Arduino you also need to #include <WiFi.h> #include <esp_wifi.h then in Setup you need to set Wifi mode as well as the mode of the Phy like so: WiFi.mode(WIFI_MODE_STA); esp_wifi_set_protocol( WIFI_IF_STA , WIFI_PROTOCOL_LR); Hope this helps somehow. I ...